Scientific apparatus and instruments for the control and detection of contaminants in industrial, food, cosmetic and pharmaceutical products; Bio-chips for research or scientific purposes, namely, microfluidic chips consisting of plastic, adhesive, plastic film and polycarbonate filters; microfluidic chips for biological analysis consisting of plastic, adhesive, plastic film and polycarbonate filters; microfluidic chips consisting of plastic, adhesive, plastic film and polycarbonate filters f...